Alberta Electric System Operator
System Co-ordination Plan
2017-01-27 to 2017-02-03
Approved Outages

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From To Owner Type Element Scheduled Activity Date/Time Comments Interconnection
24-Jul-15 12:00 31-Mar-17 16:00 ATCO IO 736s 601T (736s Valleyview P.R.O.P.L.),6L54 (736s Valleyviewp.R.O.P.L. - 734s Sturgeon) customer request to permanently disconnect secondary from substation to their site 616.17 Days
Continuous		  
31-Jul-15 18:01 31-Jan-17 12:45 EPCOR Outage Rossdale C1 forced outage 549.82 Days
Continuous		  
18-Apr-16 08:00 31-Mar-17 16:00 ENMAX Outage 41.1C (ENMAX 41) forced outage 347.33 Days
Continuous		  
27-Jun-16 09:00 31-Mar-17 16:00 ATCO Outage 757S Battle River cracked insulators maintenance on main bus 277.29 Days
Continuous		  
31-Aug-16 02:59 31-Jan-17 16:00 WINDYPWPL Outage 112s CAP1 (112s Windy Point) forced outage; blown capacitor 153.58 Days
Continuous		  
31-Aug-16 08:00 31-Jan-17 16:00 ATCO Outage 6L06 (705s Kitscoty - 751s Hill) crews working in close proximity to 6L06 153.38 Days
Continuous		  
07-Sep-16 17:00 01-May-17 17:00 BCH Outage RAS3 - Pocaterra RAS forced outage 236 Days
Continuous		 AB-BC
14-Sep-16 17:46 27-Feb-17 17:00 ALTALINK Outage 755L (535s Joffre - 247s Piper Creek) complete 755L rebuild 166.01 Days
Continuous		  
21-Nov-16 08:00 27-Jan-17 16:00 ATCO TE 848s Ruth Lake RTU/SCADA set-up / commission new RTU 67.33 Days
Continuous		  
21-Nov-16 08:00 30-Jun-17 16:00 ATCO Outage 789s 706C (789s Keg River) forced out - repair oil leak on CT 221.29 Days
Continuous		  
14-Dec-16 16:01 01-Feb-17 17:00 ENMAX Outage ENMAX 65 B138-D84 (ENMAX 65) (FATDSC) - install 65MD138-54.81, SW 89, 65B138-D83 49.04 Days
Continuous		  
20-Dec-16 08:00 31-Jan-17 16:30 ATCO TE 757s Battle River RTU/SCADA update the RTU program for the GPS clock addition 42.35 Days
Continuous		  
02-Jan-17 08:00 31-Jan-17 16:00 ATCO TE 931S Bohn Alarm testing on new equipment. Some alarms will be visible to TOC. Station Major Alarms may be present for more than 10 minutes. 29.33 Days
Continuous		  
03-Jan-17 06:00 31-Mar-17 16:30 ALTALINK RB 551L (123s Banff - 953s Lake Louise) line rebuild 87.4 Days
Daily		  
04-Jan-17 07:00 30-Jan-17 14:30 ALTALINK Outage 65s T3 (65s High River) south 25KV bus upgrades and expansion, install new Fortis feeders for 63L, 2361L, 2362L and AMI cables upto fenceline 26.31 Days
Continuous		  
04-Jan-17 07:30 02-Feb-17 17:30 ALTALINK RB 1107L (ENMAX 65 - 237s Foothills) damper replacements 29.42 Days
Daily		  
04-Jan-17 07:30 03-Mar-17 17:30 ALTALINK Outage 1037L (237s Foothills - 138 Windy Flats) damper replacement 58.42 Days
Continuous		  
04-Jan-17 07:30 02-Feb-17 17:30 ALTALINK Outage 1106L (ENMAX 65 - 237s Foothills) damper replacements 29.42 Days
Continuous		  
04-Jan-17 07:30 24-Feb-17 17:30 ALTALINK RB 1038L (138s Windy Flats - 237s Foothills) damper replacements 51.42 Days
Daily		  
05-Jan-17 07:30 20-Mar-17 16:30 ALTALINK Outage 853L (504s Queenstown - 853L76A) Line rebuild 74.33 Days
Continuous		  
05-Jan-17 07:30 17-Feb-17 17:30 ALTALINK Outage 1043L (320p Keephills - 816s Petrolia) damper replacements 43.42 Days
Continuous		  
05-Jan-17 07:30 17-Feb-17 17:30 EPCOR IO ALTALINK - 1043L (320p - E816s) - GOI damper replacements 43.42 Days
Continuous		  
10-Jan-17 17:00 30-Apr-17 16:00 ATCO Outage 732s 902T (732s Mitsue) forced outage. transformer tap changer 109.92 Days
Continuous		  
11-Jan-17 06:55 30-Jan-17 17:05 ALTALINK RB 892L (895s Suffield - 244s Bowmanton) Working on adjacent circuit 675L 19.42 Days
Daily		  
17-Jan-17 07:00 30-Jan-17 17:00 ATCO Outage 700s 702T (700s Bonnyville) close jumper J2 (ties 500BS2 to 500BS3), rebuild 504 and 505 structures, recable 702T, 702TCS, 502TD 13.42 Days
Continuous		  
23-Jan-17 07:00 10-Feb-17 17:00 EPCOR TE 805s T1 (805s Jasper),805s T3 (805s Jasper),805s T4 (805s Jasper) performing relay calibration as part of relay maintenance. 18.42 Days
Daily		  
23-Jan-17 07:00 09-Feb-17 17:00 ALTALINK IO 102S Langdon CIP info, access request for the installation of new equipment 17.42 Days
Continuous		  
23-Jan-17 07:00 09-Feb-17 17:00 ALTALINK IO 510S Sunnybrook CIP info, access request for the installation of new equipment 17.42 Days
Continuous		  
23-Jan-17 07:00 27-Jan-17 16:00 Medicine Hat Outage MH69s3 MH69_311 (MH69s3 South Ridge),MH69s3 MH69_308 (MH69s3 South Ridge),MH69s3 T31 (MH69s3 South Ridge),MH-30L (MH69s3 South Ridge - MH69s5 NE Crescent Heights) replace disconnect switch MH69-309 & MH69-310 4.38 Days
Continuous		  
23-Jan-17 08:00 03-Feb-17 16:00 ENMAX Outage 20.82L (ENMAX 21 - ENMAX 20) line protection upgrade 11.33 Days
Continuous		  
23-Jan-17 08:00 03-Feb-17 17:00 ATCO Outage 7L65 (709s Vegreville - 710s Vermilion) line work to install conductor splice at each structure and construction to construct bypass to build T Tap for new 2019s Vincent sub 11.38 Days
Continuous		  
23-Jan-17 08:00 03-Feb-17 16:00 ENMAX TE ENMAX 21 RTU/SCADA line protection upgrade 11.33 Days
Continuous		  
23-Jan-17 08:00 03-Feb-17 17:00 ALTALINK IO 7L65 - ATCO Info ATCO maintenance 11.38 Days
Continuous		  
23-Jan-17 08:00 03-Feb-17 16:00 ENMAX TE 20PT138-Z31 (ENMAX 20) line protection upgrade 11.33 Days
Continuous		  
23-Jan-17 08:00 01-Feb-17 16:00 ENMAX TE 7.84L (ENMAX 36 - ENMAX 7) end to end testing 9.33 Days
Continuous		  
23-Jan-17 08:00 01-Feb-17 16:00 ENMAX, ALTALINK TE 37.82L (74s Janet - ENMAX 37) end to end testing 9.33 Days
Continuous		  
23-Jan-17 08:00 03-Feb-17 16:00 ENMAX TE ENMAX 5 test bus diff relays - west 138 kV bus Z31 11.33 Days
Continuous		  
23-Jan-17 08:00 03-Feb-17 16:00 ALTALINK IO 21.80L Enmax Info line protection upgrade 11.33 Days
Daily		  
23-Jan-17 08:00 27-Jan-17 17:00 ATCO TE 700s Bonnyville RTU/SCADA download RTU and update HMI program 4.38 Days
Continuous		  
23-Jan-17 08:00 27-Jan-17 16:00 ATCO RB 791s 702 (791s Rainbow Lake) BCH work on 7L81 (1L359) to fix leaning pole 4.33 Days
Daily		  
23-Jan-17 12:00 27-Jan-17 16:00 ATCO TE 931s Bohn RTU/SCADA update RTU and HMI configurations and test with STG 4.17 Days
Continuous		  
24-Jan-17 07:30 27-Jan-17 17:30 ALTALINK RB 757L (17s Benalto - 297s Rimbey) structure replacement 3.42 Days
Continuous		  
24-Jan-17 07:30 27-Jan-17 17:30 ALTALINK RB 801AL (445s Elk River - 801AL0),801L (294s Brazeau Outlet Works - 358s Amoco Brazeau) component replacement and maintenance 3.42 Days
Daily		  
24-Jan-17 09:00 02-Feb-17 16:00 ATCO IO 749S 7L33 Protection Relay,845S 7L33 Protection Relay,Kleskun_T-Telecom ***PREP WORK FOR RADIO REPLACEMENT*** 9.29 Days
Continuous		  
25-Jan-17 06:30 30-Jan-17 17:30 AESO Outage 892L (895s Suffield - 244s Bowmanton) replace saddles 5.46 Days
Continuous		  
25-Jan-17 06:55 30-Jan-17 17:05 ALTALINK RB 675L (244s Bowmanton - 41s Medicine Hat) working on adjacent curciut (892L) 5.42 Days
Daily		  
25-Jan-17 07:00 08-Feb-17 09:00 ATCO IO 13L50 (2029s Heathfield - 2075s Newell) ATCO outage -valve hall reactor replacements at A2029s & A2075s 14.08 Days
Continuous		  
25-Jan-17 07:00 08-Feb-17 09:00 ATCO Outage 2075s ACF11 (2075s Newell) repair faulty connections on the AC filter bus #1 inspect filter banks and SVC 14.08 Days
Continuous		  
25-Jan-17 07:00 08-Feb-17 09:00 ATCO Outage 2029s Heathfield removing valve hall reactors and replacing them with refurbished ones 14.08 Days
Continuous		  
25-Jan-17 07:00 08-Feb-17 09:00 ATCO Outage 2075S Newell,13L50 (2029s Heathfield - 2075s Newell),2029s Heathfield install new/refurbished valve hall reactors 14.08 Days
Continuous		  
25-Jan-17 07:00 08-Feb-17 09:00 ATCO Outage 2029s ACF11 (2029s Heathfield) repair poor connections to fix corona noise 14.08 Days
Continuous		  
25-Jan-17 07:00 08-Feb-17 09:00 ATCO Outage 2075s SVC2 (2075s Newell) 2075s ACF21 (SVC) required in order to properly isolate the fence 14.08 Days
Continuous		  
25-Jan-17 07:30 07-Feb-17 17:30 ALTALINK Outage 1212L (89s Ellerslie - 12s Heartland) damper replacement 13.42 Days
Continuous		  
25-Jan-17 07:30 07-Feb-17 17:30 ALTALINK RB 1206L (89s Ellerslie - 12s Heartland) damper replacement 13.42 Days
Daily		  
25-Jan-17 08:00 27-Jan-17 17:00 ATCO TE 820s 701T (820s Hangingstone) 820S 701T 50/51 relay testing 2.38 Days
Continuous		  
26-Jan-17 07:00 31-Jan-17 16:00 ATCO TE 931s 701T (931s Bohn) 931s 701T protection changes 5.38 Days
Continuous		  
26-Jan-17 07:00 31-Jan-17 16:00 ATCO TE 931S Bohn 931s 144kV breaker relays - update and test 50BF/701 relay settings 5.38 Days
Continuous		  
27-Jan-17 07:30 09-Feb-17 17:30 ALTALINK Outage 850L (525s Carseland - 678s Okotoks) damper replacements 13.42 Days
Continuous		  
27-Jan-17 08:00 27-Jan-17 17:00 ATCO TE 820s 700BS1 144kV Bus (820s Hangingstone) 144kV bus protection - 820S 702BF relay testing 9 Hours
Continuous		  
27-Jan-17 09:00 27-Jan-17 13:00 ATCO RB 766S Nevis,7L16 (766s Nevis - 948s Heatburg) 5L244 RB: connect mobile sub 750s to 7L16 and 5L244,connect mobile sub 750s to 7L16 and 5L244 4 Hours
Continuous		  
27-Jan-17 09:00 11-Feb-17 16:00 ATCO RB 7L16 (766s Nevis - 948s Heatburg) 750S mobile sub tapped up, connected & operated, removed from 7L16, to protect 750s 15.29 Days
Continuous		  
28-Jan-17 07:00 29-Jan-17 18:00 ENMAX RB 26.83L (ENMAX 65 - ENMAX 26) string conductor near line 1.46 Days
Daily		  
28-Jan-17 09:00 03-Feb-17 17:30 ATCO Outage 766s 701T (766s Nevis),766s 901T (766s Nevis),7L143 (766s Nevis - 769s Stettler),7L16 (766s Nevis - 948s Heatburg) replace 701T and sample 700PT1 6.35 Days
Continuous		  
29-Jan-17 07:00 29-Jan-17 17:30 ALTALINK TE 65s High River 138kV Bus 1 138kV bus protection work and testing 10.5 Hours
Daily		  
30-Jan-17 06:00 12-Feb-17 18:00 ENMAX TE ENMAX 41 RTU/SCADA DPAC RTU replacement 13.5 Days
Daily		  
30-Jan-17 06:00 03-Feb-17 18:00 ENMAX TE ENMAX 6 RTU/SCADA,ENMAX 7 RTU/SCADA RTU replacement. (RTU defective) 4.5 Days
Daily		  
30-Jan-17 07:00 02-Feb-17 17:00 ATCO RB 9L27 (863s Paintearth - 755s Cordel) inspection / X brace replacement 3.42 Days
Daily		  
30-Jan-17 07:00 21-Apr-17 17:00 ATCO Outage 800s 701T (800s Friedenstal) replace 701T 81.38 Days
Continuous		  
30-Jan-17 07:00 24-Feb-17 17:00 EPCOR TE 52s E1T1 (52s East Industrial),52s E2T2 (52s East Industrial) performing relay maintenance to Tx1, Tx2, E2401 BF, E2402 BF 25.42 Days
Daily		  
30-Jan-17 07:00 31-Jan-17 16:00 Medicine Hat Outage MH69s2 MH69_202 (MH69s2 North Industrial),MH69s6 MH69_602 (MH69s6 Riverview),MH69s6 MH69_604 (MH69s6 Riverview),MH69s6 MH69_607 (MH69s6 Riverview),MH69s6 MH69_616 (MH69s6 Riverview) inspection and maintenance 1.38 Days
Continuous		  
30-Jan-17 07:30 10-Feb-17 17:30 ALTALINK Outage 39s 352 (39s Bickerdike) replacing existing breaker with a new SF6 breaker 11.42 Days
Continuous		  
30-Jan-17 08:00 30-Jan-17 17:00 ATCO TE 7L38 (875s Algar - 917s Horse River) 875S 7L38 21A relay testing 9 Hours
Continuous		  
30-Jan-17 08:00 03-Feb-17 16:00 ENMAX TE ENMAX 23 test auto switching relay 4.33 Days
Daily		  
30-Jan-17 08:00 03-Feb-17 16:00 ENMAX TE ENMAX 41 test auto switching relay 4.33 Days
Daily		  
30-Jan-17 09:00 02-Feb-17 17:00 ATCO RB 7L75 (A793s West Peace River - 800s Friedenstal) 7L75 mitigation replace poles 3.33 Days
Daily		  
30-Jan-17 09:30 03-Feb-17 17:30 ALTALINK RB 757L (17s Benalto - 297s Rimbey) structure replacement 4.33 Days
Continuous		  
30-Jan-17 09:30 03-Feb-17 17:30 ALTALINK RB 801AL (445s Elk River - 801AL0),801L (294s Brazeau Outlet Works - 358s Amoco Brazeau) component replacement and maintenance 4.33 Days
Daily		  
30-Jan-17 11:00 30-Jan-17 17:00 ALTALINK TE 538s Buford RTU/SCADA change the SMP to communicate on fiber as it is currently on copper 6 Hours
Daily		  
30-Jan-17 12:00 31-Jan-17 16:00 ALTALINK TE 62S Brazeau relay maintenance 28 Hours
Daily		  
30-Jan-17 12:00 03-Feb-17 12:00 ATCO TE 731s Elmworth RTU/SCADA D20MX RTU firmware upgrade 4 Days
Continuous		  
30-Jan-17 14:31 31-Jan-17 17:30 ALTALINK Outage 65s T3 (65s High River) T3 outage to connect temp cables to low-side 26.98 Hours
Daily		  
31-Jan-17 06:30 17-Feb-17 17:30 ALTALINK Outage 676L (523s Bullshead - 244s Bowmanton) replace saddles 17.46 Days
Continuous		  
31-Jan-17 06:55 12-Feb-17 17:05 ALTALINK RB 879L (368s Burdett - 244s Bowmanton) working on adjacent circuit (676L) 12.42 Days
Daily		  
31-Jan-17 07:00 17-Feb-17 17:00 EPCOR, ALTALINK TE 803s T3 (803s Lambton),1059L (38s East Edmonton - 803s Lambton) performing relay calibration as part of relay maintenance 17.42 Days
Daily		  
31-Jan-17 07:00 17-Feb-17 17:00 EPCOR TE 72LH8 (Hardisty - 803s Lambton),72LS24 (Strathcona - 803s Lambton) performing relay calibration as part of relay maintenance 17.42 Days
Daily		  
31-Jan-17 08:00 31-Jan-17 15:00 ALTALINK TE 62s Brazeau RTU/SCADA replace back up batteries on substation RTU 7 Hours
Daily		  
31-Jan-17 08:00 02-Feb-17 17:00 ALTALINK TE 526s Relays & RTU RTU troubleshoot, relay maintenance and redundant protections one at a time 2.38 Days
Daily		  
31-Jan-17 08:00 31-Jan-17 12:00 ENMAX Outage 23.3TR (ENMAX 23) plug installation 4 Hours
Continuous		  
31-Jan-17 09:00 31-Jan-17 17:00 ALTALINK TE 729L (285s East Camrose - 542s Ervick) relay maintenance 8 Hours
Daily		  
31-Jan-17 09:00 02-Feb-17 17:00 ALTALINK TE 263s Strachan RTU/SCADA update RTU config 2.33 Days
Continuous		  
31-Jan-17 10:00 31-Jan-17 18:00 ATCO TE 740s 702T (740s H.R.Milner) overcurrent relay out for maintenance 8 Hours
Continuous		  
31-Jan-17 12:00 01-Feb-17 16:00 ENMAX Outage 23.4TR (ENMAX 23) test TR diff relay 28 Hours
Continuous		  
31-Jan-17 17:31 07-Feb-17 07:59 ALTALINK Outage 65s T2 (65s High River) connect new 25kV bus to existing south bus, replace SS2, replace 63L overhead conductor 6.6 Days
Daily		  
01-Feb-17 07:00 02-Feb-17 17:00 EPCOR Outage 113s T2 (113s Inland Cement) protection repair 1.42 Days
Continuous		  
01-Feb-17 07:00 03-Feb-17 16:00 Medicine Hat, CMH Outage MH69s3 MH69_302 (MH69s3 South Ridge),MH69s6 MH69_608 (MH69s6 Riverview),MH69s6 MH69_611 (MH69s6 Riverview),MH69s6 MH69_614 (MH69s6 Riverview),MH69s6 MH69_616 (MH69s6 Riverview),20L (MH69S-6 Riverview - MH69S-3 South Ridge),8L (MH69S-6 Riverview - MH69S-1 Power Plant) inspection and maintenance 2.38 Days
Continuous		  
01-Feb-17 07:00 03-Feb-17 17:00 ALTALINK TE 454s Buck Lake RTU/SCADA,341s Sand Hills Sub RTU/SCADA,392s Black Diamond RTU/SCADA,993s Abee RTU/SCADA SFE - supervisory. Affects visibility 2.42 Days
Continuous		  
01-Feb-17 07:30 02-Feb-17 14:30 ALTALINK Outage 150L (42s Sarcee - 150L47) emergency repair; structure replacement 31 Hours
Continuous		  
01-Feb-17 07:30 01-Feb-17 10:00 ATCO TE 740s 703T (740s H.R.Milner) 703T overcurrent relay out for maintenance 2.5 Hours
Continuous		  
01-Feb-17 08:00 01-Feb-17 17:00 ALTALINK TE 1201L (520s Bennett - BCH Cranbrook) SAs per OP eng setting change required on SEL421 A21/51N/67N/L3 , SEL421 B21/51N/67N/L3. 9 Hours
Daily		  
01-Feb-17 08:00 01-Feb-17 16:00 ENMAX Outage 33.1TR (ENMAX 33) CT and PT measurements required 8 Hours
Continuous		  
01-Feb-17 08:00 01-Feb-17 12:00 ENMAX Outage 14.1TR (ENMAX 14) install Roxtek plugs in ducts 4 Hours
Continuous		  
01-Feb-17 08:30 01-Feb-17 15:30 ATCO TE 727s 601T (727s Kinuso) testing 50N/601T. Shared on the blocking switch for this relay is 67N/6L91. 7 Hours
Continuous		  
01-Feb-17 09:00 01-Feb-17 15:00 ALTALINK IO AltaLink Radio Tower 253s Blackie telecomm - routine site inspection & maintenance work 6 Hours
Daily		  
01-Feb-17 09:00 02-Feb-17 17:00 ALTALINK TE 523S Bullshead standard relay maintenance. 1.33 Days
Continuous		  
01-Feb-17 09:00 01-Feb-17 15:00 ATCO TE ATCO Radio Tower Newell SAR-7705 requires a Firmware upgrade to Version 6 6 Hours
Daily		  
01-Feb-17 10:00 01-Feb-17 18:00 ATCO TE 740S H.R.Milner 740s HR Milner 144kV bus differential relay testing 8 Hours
Continuous		  
01-Feb-17 10:00 01-Feb-17 17:00 ALTALINK TE 37S North Calder maintain 240 kV breaker fail protections 7 Hours
Daily		  
02-Feb-17 08:00 02-Feb-17 16:00 ATCO TE 7L33 (749s Flyingshot Lake - 845s Big Mountain) temporary protection setting for 2-40006 teleprotection outage 8 Hours
Continuous		  
02-Feb-17 08:00 02-Feb-17 17:00 FORTIS TE 140s Thompson RTU/SCADA work on radio to stop reboot errors 9 Hours
Daily		  
02-Feb-17 08:00 02-Feb-17 16:00 ALTALINK TE 172S Sherritt Gordon 172s relays. Investigate and repair low optical signal levels on MPLS. 8 Hours
Daily		  
02-Feb-17 08:00 03-Feb-17 15:30 ATCO TE 844s 702T (844s AEC Mill) 702T Relay maintenance 31.5 Hours
Continuous		  
02-Feb-17 08:00 03-Feb-17 15:30 ATCO TE 844s 701T (844s AEC Mill) 701T Relay maintenance 31.5 Hours
Continuous		  
02-Feb-17 08:30 02-Feb-17 17:00 ALTALINK TE 286S Yasa relay maintenance 8.5 Hours
Daily		  
02-Feb-17 09:00 02-Feb-17 11:00 ATCO TE ATCO Radio Tower Cassils SAR-7705 requires a Firmware upgrade to Version 6 2 Hours
Daily		  
02-Feb-17 09:00 02-Feb-17 16:00 ATCO TE 7L33 (749s Flyingshot Lake - 845s Big Mountain) 7L33 TPR A&B and Kleskun Tower telecommunication. 7 Hours
Continuous		  
03-Feb-17 07:30 04-Mar-17 17:30 ALTALINK RB 1106L (ENMAX 65 - 237s Foothills) damper replacements 29.42 Days
Daily		  
03-Feb-17 07:30 04-Mar-17 17:30 ALTALINK Outage 1107L (ENMAX 65 - 237s Foothills) damper replacements 29.42 Days
Continuous		  
03-Feb-17 07:30 04-Mar-17 17:30 ALTALINK IO 1107L (ENMAX 65 - 237s Foothills) AltaLink work - damper replacements 29.42 Days
Continuous		  
03-Feb-17 07:30 04-Mar-17 17:30 ALTALINK RB 1106L (ENMAX 65 - 237s Foothills) ENMAX info for AltaLink damper replacements 29.42 Days
Daily		  
03-Feb-17 10:10 03-Feb-17 11:50 ALTALINK TE 122s Alberta Newsprint RTU/SCADA SCADA comms cutover 100 Mins
Continuous		  
03-Feb-17 17:31 11-Feb-17 12:00 ATCO Outage 766s 701T (766s Nevis) reconfigure 25 kV bus and soak 701T 7.77 Days
Continuous		  

Prepared On:   2017-01-26   3:55:21 PM

This document and the information contained herein are based upon information and data which by their nature contain a degree of uncertainty and are subject to change. In addition, this document may contain information and data from public sources and/or third parties, which have been assumed to be accurate and complete and have not been verified. Accordingly, the Independent System Operator, operating as the Alberta Electric System Operator (the "AESO") makes no warranty, representation or guarantee, express or implied, with respect to this document or the information contained herein, including, but not limited to, any warranty, representation or guarantee of accuracy, completeness, timeliness, reliability, availability, absence of computer virus, non- infringement, merchantability or suitability for any purpose. Under no circumstances will the AESO, its members, officers, employees, contractors or agents, or any of their respective affiliates, be liable for any errors or omissions in, or any losses, damages or claims whatsoever, whether in contract, tort or otherwise, arising from use of or reliance upon, this document or any information contained herein.

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